參數(shù)資料
型號: AD7492BRUZ
廠商: Analog Devices Inc
文件頁數(shù): 13/24頁
文件大?。?/td> 0K
描述: IC ADC 12BIT REF/CLOCK 24TSSOP
標準包裝: 1
位數(shù): 12
采樣率(每秒): 1M
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 16.5mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 24-TSSOP
包裝: 管件
輸入數(shù)目和類型: 1 個單端,單極
配用: EVAL-AD7492CBZ-ND - BOARD EVALUATION FOR AD7492
AD7492
Rev. A | Page 20 of 24
80C186 to AD7492 Interface
Figure 33 shows the AD7492 interfaced to the 80C186
microprocessor. The 80C186 DMA controller provides two
independent high speed DMA channels where data transfer can
occur between memory and I/O spaces. (The AD7492 occupies
one of these I/O spaces.) Each data transfer consumes two bus
cycles, one cycle to fetch data and the other to store data.
After the AD7492 has finished the conversion, the BUSY line
generates a DMA request to Channel 1 (DRQ1). Because of the
interrupt, the processor performs a DMA read operation that
resets the interrupt latch. Sufficient priority must be assigned to
the DMA channel to ensure that the DMA request is serviced
before the completion of the next conversion. This
configuration can be used with 6 MHz and 8 MHz 80C186
processors.
ADDRESS/DATA BUS
DATA BUS
1ADDITIONAL PINS OMITTED FOR CLARITY.
R
S
Q
OPTIONAL
80C1861
RD
DRQ1
ALE
AD0 TO AD15
A16 TO A19
AD7492
ADDRESS
DECODER
ADDRESS
LATCH
ADDRESS
BUS
BUSY
DB0 TO DB9
(DB11)
CONVST
CS
RD
01
12
8-
03
3
Figure 33. 80C186 to AD7492 Interface
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參數(shù)描述
AD7492BRUZ1 制造商:AD 制造商全稱:Analog Devices 功能描述:1.25 MSPS, 16 mW Internal REF and CLK, 12-Bit Parallel ADC
AD7492BRUZ-5 功能描述:IC ADC 12BIT REF/CLOCK 24TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標準包裝:1,000 系列:- 位數(shù):12 采樣率(每秒):300k 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 功率耗散(最大):75mW 電壓電源:單電源 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:24-SOIC(0.295",7.50mm 寬) 供應商設備封裝:24-SOIC 包裝:帶卷 (TR) 輸入數(shù)目和類型:1 個單端,單極;1 個單端,雙極
AD7492BRUZ-51 制造商:AD 制造商全稱:Analog Devices 功能描述:1.25 MSPS, 16 mW Internal REF and CLK, 12-Bit Parallel ADC
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